package com.sky.mapper;


import com.sky.dto.ShoppingCartDTO;
import com.sky.entity.ShoppingCart;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;
import org.apache.ibatis.annotations.Update;

import java.util.List;

@Mapper
public interface ShoppingCartMapper {


    // 根据传参动态查询
    List<ShoppingCart> list(ShoppingCart shoppingCart);

    //根据传参修改  用户端只能修改数量
    @Update("update shopping_cart set number = #{number} where id = #{id}")
    void updateNumberById(ShoppingCart cartService);

    //插入数据
    @Select("insert into shopping_cart (name, image, user_id ,dish_id, setmeal_id, dish_flavor, number, amount, create_time) " +
    "values (#{name}, #{image}, #{userId}, #{dishId}, #{setmealId}, #{dishFlavor}, #{number}, #{amount}, #{createTime})")
     void insert(ShoppingCart shoppingCart);

   /* //根据用户id删除购物车数据
    @Delete("delete from shopping_cart where user_id = #{currentId}")
    void deleteByUserId(Long currentId);
    //  根据主键id删除购物车数据
    void deleteById(Long id);*/
    //上面两句可以合成一句动态sql
    void delete(ShoppingCart shoppingCart);


    //批量插入
    void insertBatch(List<ShoppingCart> shoppingCartList);
}
